Pre-op situation. Patient needs to replace an old amalgam restoration on 1.5.
Dental elements are isolated with rubber dam to avoid contamination of the area and improve visibility.
Picture of the cavity after removing the amalgam restoration and after performing the cleaning of cavity.
After finishing of the cavity, a sectional matrix Composi-Tight 4.6 mm, a wooden wedge and 3D XR ring are placed. The ring is placed on the wedge and causes a slight divergence which will result in an excellent point of contact at the end of the restoration.
Situation after removing ring, matrix and wedge. Good position: the matrix and the use of an adequate ring allows minimum interproximal finishing at the end of the stratification.
Post-op view after polishing and check occlusion. A good contact area is performed between elements 1.5 and 1.6.